S2000 Under The Hood S2000 Technical and Mechanical discussions.

Valve Adjustment

Old Aug 20, 2007 | 06:08 AM
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Default Valve Adjustment

Hey Folks!

I adjusted my valves on MY05 with 9600 miles to 0.008 intake and 0.010 exhaust and the car seems to run incredibly better.

Has anyone else experienced this?

Before adjusting, the intakes were at 0.009-0.010 and the exhaust were at 0.010-0.011.

Anyway, once adjusted, the car seems to pull so much better.

Anyone else experience this?
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Old Aug 20, 2007 | 10:06 AM
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no but it makes me wanna try it
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Old Aug 20, 2007 | 10:44 AM
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i just did mine at 54k and they were a little out of spec.
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Old Aug 20, 2007 | 06:10 PM
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Originally Posted by RGlbk,Aug 20 2007, 10:08 AM
I adjusted my valves on MY05 with 9600 miles to 0.008 intake and 0.010 exhaust and the car seems to run incredibly better.

Has anyone else experienced this?
Yes!

Here's a link from 2001: https://www.s2ki.com/forums/index.php?showt...=0&#entry354805
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Old Aug 20, 2007 | 06:25 PM
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your mind dyno reading higher number?

I got my valves done and noticed 0 change, of course my mechanic could have not done the work at all
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Old Aug 20, 2007 | 08:09 PM
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I had the same experiance. Much smoother (less vibration) at idle and on the highway, also pulls a bit better 2k-redline, but lost power at 2k and below. It was worth it though.

I did the adjustment on my MY'06 at 4k miles.

If I remember correctly, at adjustment, all valves were within the spec range. Something like 6 exhaust valves were 0.010 and one was 0.011 and another 0.012. 6 intake were 0.009 and one was 0.008 and another 0.010. I had all adjusted to tight end of spec (0.008 for intake and 0.010 for exhaust). It made a noticable difference. I plan to do again at 15k. I know many people will say its not worth it, but the adjustment is cheap, and I notice the difference.

Happy motoring!
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Old Aug 23, 2007 | 10:08 AM
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I did my valve adjustment at 105k and it made a pretty big difference. Engine was smoother. Didn't vibrate as much. Dead stop rolls were also noticeably smoother.
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Old Aug 23, 2007 | 12:42 PM
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Originally Posted by QuikSilver00,Aug 23 2007, 12:08 PM
I did my valve adjustment at 105k and it made a pretty big difference. Engine was smoother. Didn't vibrate as much. Dead stop rolls were also noticeably smoother.
Sounds good, I think the manual stated 105 for our 00 as well, time to get it done.
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Old Aug 23, 2007 | 01:18 PM
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I'm at 148xxx miles. Time for a valve adjustment amirite??!
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Old Aug 23, 2007 | 01:45 PM
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Yea I would highly recommend it. Made me love my car all over again. no joke.
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